Home / 14,844.26-20,485.09-8,129.89

Finding the Fourth Proportional to 14,844.26, 20,485.09 and 8,129.89

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Solution

The fourth proportional to 14,844.26, 20,485.09 and 8,129.89 is: 11,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.26 : 20,485.09 = 8,129.89 : x
  2. Step 2: Convert to fraction form
    14,844.26/20,485.09 = 8,129.89/x
  3. Step 3: Cross multiply
    14,844.26x = 20,485.09 × 8,129.89
  4. Step 4: Simplify right side
    14,844.26x = 166,541,487.69
  5. Step 5: Solve for x
    x = 166,541,487.69/14,844.26
  6. Step 6: Final answer
    x = 11,219.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.